Uploaded image for project: 'XWiki Platform'
  1. XWiki Platform
  2. XWIKI-16139

Uncaught exception when saving a deleted section

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Solved By
    • Affects Version/s: 10.11.2, 11.0
    • Fix Version/s: None
    • Component/s: None
    • Labels:
    • Environment:
      Windows 10 Pro 64 bit, Edge 17, using a local instance XWiki 11.0.3 on MySQL 5.7
    • Difficulty:
      Unknown
    • Documentation:
      N/A
    • Documentation in Release Notes:
      N/A
    • Similar issues:

      Description

      STEPS TO REPRODUCE

      1. Create a new page
      2. Create a heading on the page (e.g. = Section 1 =) in wiki/source mode
      3. Save the page
      4. Edit this section (not the whole page) and delete everything
      5. Click 'Save & View'

      EXPECTED RESULTS

      The page is saved with the respective content deleted.

      ACTUAL RESULTS

      A notice is displayed on the page:

      A problem occurred while trying to process your request. Please contact the webmaster if this happens again.

      with the following stacktrace in console and in browser:

      2019-02-14 16:33:02,849 [http://localhost:1101/xwiki/bin/preview/111/WebHome] WARN  c.x.x.w.XWikiAction            - Uncaught exception: Error number 0 in 11: Uncaught exception
      com.xpn.xwiki.XWikiException: Error number 0 in 11: Uncaught exception
              at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:500)
              at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:210)
              at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
              at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
              at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
              at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:860)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650)
              at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:203)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:73)
              at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:102)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:106)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
              at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
              at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)
              at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
              at org.eclipse.jetty.server.Server.handle(Server.java:530)
              at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
              at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
              at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
              at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
              at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
              at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
              at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
              at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
              at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
              at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
              at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
              at java.lang.Thread.run(Unknown Source)
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.rendering.block.AbstractBlock.replaceChild(AbstractBlock.java:300)
              at com.xpn.xwiki.doc.XWikiDocument.updateDocumentSection(XWikiDocument.java:7883)
              at com.xpn.xwiki.web.SaveAction.save(SaveAction.java:144)
              at com.xpn.xwiki.web.SaveAction.action(SaveAction.java:232)
              at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:472)
              ... 75 common frames omitted

        Attachments

          Issue Links

            Activity

              People

              • Assignee:
                surli Simon Urli
                Reporter:
                iandriuta Ilie Andriuta
              • Votes:
                0 Vote for this issue
                Watchers:
                4 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  Date of First Response: